
Evaluare reactia de schimb
Authored by aura ilovan
Chemistry
8th Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hidroxidul de Sodiu este
o baza tare
insolubil in apa
o baza slaba
sarea de bucatarie
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acidul sulfuric se identifica cu
azotat de argint
clorura de Bariu
hidroxid de sodiu
dioxid de carbon
3.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Este adevarat ca reactia de schimb are loc intre
doua substante simple
doua substante compuse
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Acizii tari deplaseaza .................... din sarurile lor
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La adaugarea de................... peste carbonati se produce efervescenta
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Tulburarea apei de var este
reactia dintre dioxid de carbon si apa
reactia dintre dioxid de carbon si hidroxid de calciu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rezulta un precipitat din reactia dintre:
clorura de natriu si azotat de argint
hidroxid de natriu si acid clorhidric
carbonat de calciu si acid sulfuric
dioxid de carbon si apa
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